Securely mounted optics are critical for the accuracy and precision of any rifle. To provide the X-Bolt/X-Bolt 2 with the utmost stability, we introduce the innovative X-Lock scope mounting system. This advanced system employs four screws per base, replacing the traditional two-screw design. By securing the scope bases at all four corners instead of just the center, the X-Lock system allows for more accurate placement of the bases on the receiver. This revolutionary design enhances the tightness of the mount, ensuring that the base remains firmly attached to the rifle like never before. With the X-Lock system, you can have confidence in the reliability and performance of your optics, maximizing your shooting experience.